Charleston, South Carolina · Local guide

Backflow Test Report Filing in Charleston, SC

Short answer

Annual backflow testing in Charleston, SC, costs between $25 and $179 per assembly. Call or text (843) 286-4721: CHS Backflow is a free referral service that connects you with a vetted local pro in Charleston. The written report of the inspection and testing results must be submitted by the certified tester to the public water system.

Updated October 24, 2026 2 min read

Quick answer

CHS Backflow is a free referral service for backflow testing in Charleston, SC: call or text (843) 286-4721 (our assistant answers 24/7 in English or Spanish; callbacks Mon–Fri, 8am–5pm ET) and a vetted local pro calls back within the hour during business hours; backflow repair or rebuild kit: typically $150–$400; serving Charleston, Mount Pleasant, North Charleston, Summerville, James Island, Johns Island.

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Quick facts Answer
Cost range $25 to $179 per assembly
Time Varies by home - confirm in your quote
Who's qualified State-certified backflow prevention tester

Who is responsible for backflow test report filing in Charleston?

The certified tester is responsible for submitting the written report of the inspection and testing results. This report must be provided to the public water system. South Carolina DES mandates that the public water system keep records of the assembly location, type, size, and annual testing results.

What does backflow test report filing entail in Charleston, SC?

The public water system must maintain detailed records of each backflow prevention assembly. These records include the assembly location, its type, and its size. The annual testing results must be documented and filed according to state regulations.

How often must backflow testing occur in South Carolina?

Each backflow prevention assembly must be tested at least once annually by a certified tester. This requirement applies unless a specific exception is noted. South Carolina DES requires this annual testing to ensure water safety.

What are the requirements for certified backflow testers?

A certified tester must hold an up-to-date backflow prevention assembly tester certification card issued by the Department. Certification requires passing a four-day course, which includes both a written exam and a hands-on practical exam.

What to do next

  1. Verify that the local pro holds a state-certified backflow prevention tester certification card.
  2. Ask the pro for proof of licence and insurance before the testing begins.
  3. Confirm the quote includes the required report filing or tracking fees, which range from $1 to $40.
  4. Ensure the testing covers the assembly location, type, and size as required by state regulations.
  5. Call (843) 286-4721 or email [email protected] for a free quote from a licensed, insured local backflow tester.

CHS Backflow is a free referral service: an independent contractor does the work and may pay us a referral fee. You never pay us anything.

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Quick answers

How long is a backflow tester certification valid?

South Carolina backflow prevention assembly tester certification is valid for three years from the date of initial certification or recertification.

What is the certification processing fee for a backflow tester?

The state certification application lists a $150.00 certification processing fee per certification.

What is the minimum passing score for recertification?

Backflow tester recertification in South Carolina requires a passing score of 70% on the written exam and performance of prescribed tests on approved assemblies.

Can local utilities add requirements to backflow testing?

Yes, local utilities can add licensing requirements. One utility program requires both state backflow certification and a current city business license from testers.

Backflow testing help in Tulsa

CHS Backflow is a free referral service connecting you with licensed, insured local backflow testers in Charleston and nearby areas. The pros we refer perform all work and may pay us a referral fee. We do not perform work or hold licenses. You pay no fee to us and may get other quotes.

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